Drain trap



FIG. 1 is a top, front, left side perspective view.

FIG. 2 is a front elevation view.

FIG. 3 is a rear elevation view.

FIG. 4 is a right side elevation view.

FIG. 5 is a left side elevation view.

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for a drain trap, as shown and described. 